tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4 head: d2c5af89e80c5b71f1da59879464a930947306a2 commit: c3dd1d15539e5e491c6dabbb53611c3c77767d64 [119/132] of/address: Introduce of_dma_get_max_cpu_address() config: arm-randconfig-r023-20210318 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 436c6c9c20cc522c92a923440a5fc509c342a7db) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable queue-5.4 git checkout c3dd1d15539e5e491c6dabbb53611c3c77767d64 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): struct of_range_parser parser; ^ drivers/of/address.c:1007:9: note: forward declaration of 'struct of_range_parser' struct of_range_parser parser; ^ struct of_range range; ^ drivers/of/address.c:1010:9: note: forward declaration of 'struct of_range' struct of_range range; ^ of_dma_range_parser_init(&parser, np); ^ drivers/of/address.c:1020:3: note: did you mean 'of_pci_range_parser_init'? drivers/of/address.c:254:5: note: 'of_pci_range_parser_init' declared here int of_pci_range_parser_init(struct of_pci_range_parser *parser, ^ for_each_of_range(&parser, &range) ^ 4 errors generated. vim +1007 drivers/of/address.c 995 996 /** 997 * of_dma_get_max_cpu_address - Gets highest CPU address suitable for DMA 998 * @np: The node to start searching from or NULL to start from the root 999 * 1000 * Gets the highest CPU physical address that is addressable by all DMA masters 1001 * in the sub-tree pointed by np, or the whole tree if NULL is passed. If no 1002 * DMA constrained device is found, it returns PHYS_ADDR_MAX. 1003 */ 1004 phys_addr_t __init of_dma_get_max_cpu_address(struct device_node *np) 1005 { 1006 phys_addr_t max_cpu_addr = PHYS_ADDR_MAX; 1008 phys_addr_t subtree_max_addr; 1009 struct device_node *child; 1011 const __be32 *ranges; 1012 u64 cpu_end = 0; 1013 int len; 1014 1015 if (!np) 1016 np = of_root; 1017 1018 ranges = of_get_property(np, "dma-ranges", &len); 1019 if (ranges && len) { 1022 if (range.cpu_addr + range.size > cpu_end) 1023 cpu_end = range.cpu_addr + range.size - 1; 1024 1025 if (max_cpu_addr > cpu_end) 1026 max_cpu_addr = cpu_end; 1027 } 1028 1029 for_each_available_child_of_node(np, child) { 1030 subtree_max_addr = of_dma_get_max_cpu_address(child); 1031 if (max_cpu_addr > subtree_max_addr) 1032 max_cpu_addr = subtree_max_addr; 1033 } 1034 1035 return max_cpu_addr; 1036 } 1037 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org